TEST. An Official Journal of the Spanish Society of Statistics and Operations Research (TEST) (20130101), 22, no.~2, 251-277. ISSN: 1133-0686 (print).eISSN: 1863-8260.
Institute of Electrical and Electronics Engineers. Transactions on Information Theory (IEEE Trans. Inform. Theory) (20000101), 46, no.~4, 1677-1682. ISSN: 0018-9448 (print).eISSN: 1557-9654.